________ proteins promote depolymerization of existing microtubules at the ends
Fill in the blank with correct word.
Answer: Catastrophin
You might also like to view...
Which of the following statements about DNA replication is INCORRECT?
A. It begins at multiple origins of replication sites along eukaryotic chromosomes. B. It proceeds with the addition of new nucleotides to the 3? end of a growing DNA strand. C. It is powered by the hydrolysis of ATP. D. Each strand within the DNA double helix is used as a template for synthesis of a new strand. E. It requires that each strand in the double helix be separated from the other.
Plasmodesmata are
a. only found in root cells. b. connections between xylem and phloem. c. incapable of structural change. d. able to be opened and closed. e. only found in leaf cells.
Of the following areas on Earth's surface, which area moves fastest and has the greatest linear velocity?
A) North Pole (90° north) B) Tropic of Cancer (23.5° north) C) Tropic of Capricorn (23.5° south) D) Equator (0°)
Which of the following causes blood to move through veins?
A) vasodilation B) contraction of smooth muscle C) contraction of skeletal muscle D) blood pressure